Finding the Fourth Proportional to 290,150.58, 435,133.71 and 93,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   290,150.58 : 435,133.71 = 93,112.50 : x
2. Step 2: Convert to fraction form
   290,150.58/435,133.71 = 93,112.50/x
3. Step 3: Cross multiply
   290,150.58x = 435,133.71 × 93,112.50
4. Step 4: Simplify right side
   290,150.58x = 40,516,387,572.38
5. Step 5: Solve for x
   x = 40,516,387,572.38/290,150.58
6. Step 6: Final answer
   x = 139,639.17