Finding the Fourth Proportional to 99,134.18, 148,848.93 and 40,085.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,134.18 : 148,848.93 = 40,085.18 : x
2. Step 2: Convert to fraction form
   99,134.18/148,848.93 = 40,085.18/x
3. Step 3: Cross multiply
   99,134.18x = 148,848.93 × 40,085.18
4. Step 4: Simplify right side
   99,134.18x = 5,966,636,151.86
5. Step 5: Solve for x
   x = 5,966,636,151.86/99,134.18
6. Step 6: Final answer
   x = 60,187.48