Finding the Fourth Proportional to 89,437, 134,218.68 and 42,693.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,437 : 134,218.68 = 42,693.52 : x
2. Step 2: Convert to fraction form
   89,437/134,218.68 = 42,693.52/x
3. Step 3: Cross multiply
   89,437x = 134,218.68 × 42,693.52
4. Step 4: Simplify right side
   89,437x = 5,730,267,898.95
5. Step 5: Solve for x
   x = 5,730,267,898.95/89,437
6. Step 6: Final answer
   x = 64,070.44