Finding the Fourth Proportional to 2,892,376,773.53, 3,987,445,123.78 and 1,939,927,715.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892,376,773.53 : 3,987,445,123.78 = 1,939,927,715.03 : x
2. Step 2: Convert to fraction form
   2,892,376,773.53/3,987,445,123.78 = 1,939,927,715.03/x
3. Step 3: Cross multiply
   2,892,376,773.53x = 3,987,445,123.78 × 1,939,927,715.03
4. Step 4: Simplify right side
   2,892,376,773.53x = 7,735,355,307,764,441,088
5. Step 5: Solve for x
   x = 7,735,355,307,764,441,088/2,892,376,773.53
6. Step 6: Final answer
   x = 2,674,394,075.68