Finding the Fourth Proportional to 92,693.48, 139,081.58 and 42,746.77

Step by Step Solution

1. Step 1: Write the proportion equation
   92,693.48 : 139,081.58 = 42,746.77 : x
2. Step 2: Convert to fraction form
   92,693.48/139,081.58 = 42,746.77/x
3. Step 3: Cross multiply
   92,693.48x = 139,081.58 × 42,746.77
4. Step 4: Simplify right side
   92,693.48x = 5,945,287,402.35
5. Step 5: Solve for x
   x = 5,945,287,402.35/92,693.48
6. Step 6: Final answer
   x = 64,139.22