Finding the Fourth Proportional to 57,090,018.08, 78,784,792.32 and 30,984,767.84

Step by Step Solution

1. Step 1: Write the proportion equation
   57,090,018.08 : 78,784,792.32 = 30,984,767.84 : x
2. Step 2: Convert to fraction form
   57,090,018.08/78,784,792.32 = 30,984,767.84/x
3. Step 3: Cross multiply
   57,090,018.08x = 78,784,792.32 × 30,984,767.84
4. Step 4: Simplify right side
   57,090,018.08x = 2,441,128,499,357,815
5. Step 5: Solve for x
   x = 2,441,128,499,357,815/57,090,018.08
6. Step 6: Final answer
   x = 42,759,287.55