Finding the Fourth Proportional to 77,304.94, 106,498.74 and 72,654.82

Step by Step Solution

1. Step 1: Write the proportion equation
   77,304.94 : 106,498.74 = 72,654.82 : x
2. Step 2: Convert to fraction form
   77,304.94/106,498.74 = 72,654.82/x
3. Step 3: Cross multiply
   77,304.94x = 106,498.74 × 72,654.82
4. Step 4: Simplify right side
   77,304.94x = 7,737,646,784.93
5. Step 5: Solve for x
   x = 7,737,646,784.93/77,304.94
6. Step 6: Final answer
   x = 100,092.53