Finding the Fourth Proportional to 71,588.15, 98,793.90 and 42,898.35

Step by Step Solution

1. Step 1: Write the proportion equation
   71,588.15 : 98,793.90 = 42,898.35 : x
2. Step 2: Convert to fraction form
   71,588.15/98,793.90 = 42,898.35/x
3. Step 3: Cross multiply
   71,588.15x = 98,793.90 × 42,898.35
4. Step 4: Simplify right side
   71,588.15x = 4,238,095,300.07
5. Step 5: Solve for x
   x = 4,238,095,300.07/71,588.15
6. Step 6: Final answer
   x = 59,201.08