Finding the Fourth Proportional to 99,098.43, 148,670.34 and 42,947.94

Step by Step Solution

1. Step 1: Write the proportion equation
   99,098.43 : 148,670.34 = 42,947.94 : x
2. Step 2: Convert to fraction form
   99,098.43/148,670.34 = 42,947.94/x
3. Step 3: Cross multiply
   99,098.43x = 148,670.34 × 42,947.94
4. Step 4: Simplify right side
   99,098.43x = 6,385,084,842.10
5. Step 5: Solve for x
   x = 6,385,084,842.10/99,098.43
6. Step 6: Final answer
   x = 64,431.75