Finding the Fourth Proportional to 140,131.47, 193,385.54 and 76,473.37

Step by Step Solution

1. Step 1: Write the proportion equation
   140,131.47 : 193,385.54 = 76,473.37 : x
2. Step 2: Convert to fraction form
   140,131.47/193,385.54 = 76,473.37/x
3. Step 3: Cross multiply
   140,131.47x = 193,385.54 × 76,473.37
4. Step 4: Simplify right side
   140,131.47x = 14,788,843,953.07
5. Step 5: Solve for x
   x = 14,788,843,953.07/140,131.47
6. Step 6: Final answer
   x = 105,535.49