Finding the Fourth Proportional to 91,710.15, 126,561.35 and 53,468.63

Step by Step Solution

1. Step 1: Write the proportion equation
   91,710.15 : 126,561.35 = 53,468.63 : x
2. Step 2: Convert to fraction form
   91,710.15/126,561.35 = 53,468.63/x
3. Step 3: Cross multiply
   91,710.15x = 126,561.35 × 53,468.63
4. Step 4: Simplify right side
   91,710.15x = 6,767,061,995.45
5. Step 5: Solve for x
   x = 6,767,061,995.45/91,710.15
6. Step 6: Final answer
   x = 73,787.49