Finding the Fourth Proportional to 112,399,113.78, 155,102,902.79 and 65,352,849.53

Step by Step Solution

1. Step 1: Write the proportion equation
   112,399,113.78 : 155,102,902.79 = 65,352,849.53 : x
2. Step 2: Convert to fraction form
   112,399,113.78/155,102,902.79 = 65,352,849.53/x
3. Step 3: Cross multiply
   112,399,113.78x = 155,102,902.79 × 65,352,849.53
4. Step 4: Simplify right side
   112,399,113.78x = 10,136,416,666,598,808
5. Step 5: Solve for x
   x = 10,136,416,666,598,808/112,399,113.78
6. Step 6: Final answer
   x = 90,182,353.99