Finding the Fourth Proportional to 77,710.55, 107,240.71 and 45,881.49

Step by Step Solution

1. Step 1: Write the proportion equation
   77,710.55 : 107,240.71 = 45,881.49 : x
2. Step 2: Convert to fraction form
   77,710.55/107,240.71 = 45,881.49/x
3. Step 3: Cross multiply
   77,710.55x = 107,240.71 × 45,881.49
4. Step 4: Simplify right side
   77,710.55x = 4,920,363,563.46
5. Step 5: Solve for x
   x = 4,920,363,563.46/77,710.55
6. Step 6: Final answer
   x = 63,316.55