Finding the Fourth Proportional to 57,205,056.02, 78,943,875.50 and 31,099,673.54

Step by Step Solution

1. Step 1: Write the proportion equation
   57,205,056.02 : 78,943,875.50 = 31,099,673.54 : x
2. Step 2: Convert to fraction form
   57,205,056.02/78,943,875.50 = 31,099,673.54/x
3. Step 3: Cross multiply
   57,205,056.02x = 78,943,875.50 × 31,099,673.54
4. Step 4: Simplify right side
   57,205,056.02x = 2,455,128,755,482,186.50
5. Step 5: Solve for x
   x = 2,455,128,755,482,186.50/57,205,056.02
6. Step 6: Final answer
   x = 42,918,037.78