Finding the Fourth Proportional to 42,664,580.71, 58,866,882.09 and 25,918,985.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,664,580.71 : 58,866,882.09 = 25,918,985.35 : x
2. Step 2: Convert to fraction form
   42,664,580.71/58,866,882.09 = 25,918,985.35/x
3. Step 3: Cross multiply
   42,664,580.71x = 58,866,882.09 × 25,918,985.35
4. Step 4: Simplify right side
   42,664,580.71x = 1,525,769,854,490,887.50
5. Step 5: Solve for x
   x = 1,525,769,854,490,887.50/42,664,580.71
6. Step 6: Final answer
   x = 35,761,979.35