Finding the Fourth Proportional to 174,789, 241,209.09 and 99,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,789 : 241,209.09 = 99,337.50 : x
2. Step 2: Convert to fraction form
   174,789/241,209.09 = 99,337.50/x
3. Step 3: Cross multiply
   174,789x = 241,209.09 × 99,337.50
4. Step 4: Simplify right side
   174,789x = 23,961,107,977.88
5. Step 5: Solve for x
   x = 23,961,107,977.88/174,789
6. Step 6: Final answer
   x = 137,085.90