Finding the Fourth Proportional to 140,131.46, 193,385.54 and 76,473.38

Step by Step Solution

1. Step 1: Write the proportion equation
   140,131.46 : 193,385.54 = 76,473.38 : x
2. Step 2: Convert to fraction form
   140,131.46/193,385.54 = 76,473.38/x
3. Step 3: Cross multiply
   140,131.46x = 193,385.54 × 76,473.38
4. Step 4: Simplify right side
   140,131.46x = 14,788,845,886.93
5. Step 5: Solve for x
   x = 14,788,845,886.93/140,131.46
6. Step 6: Final answer
   x = 105,535.52