Finding the Fourth Proportional to 55,342,868.80, 82,790,354.40 and 48,624,404.80

Step by Step Solution

1. Step 1: Write the proportion equation
   55,342,868.80 : 82,790,354.40 = 48,624,404.80 : x
2. Step 2: Convert to fraction form
   55,342,868.80/82,790,354.40 = 48,624,404.80/x
3. Step 3: Cross multiply
   55,342,868.80x = 82,790,354.40 × 48,624,404.80
4. Step 4: Simplify right side
   55,342,868.80x = 4,025,631,705,881,061
5. Step 5: Solve for x
   x = 4,025,631,705,881,061/55,342,868.80
6. Step 6: Final answer
   x = 72,739,845.14