Finding the Fourth Proportional to 77,551.17, 107,061.27 and 52,190.88

Step by Step Solution

1. Step 1: Write the proportion equation
   77,551.17 : 107,061.27 = 52,190.88 : x
2. Step 2: Convert to fraction form
   77,551.17/107,061.27 = 52,190.88/x
3. Step 3: Cross multiply
   77,551.17x = 107,061.27 × 52,190.88
4. Step 4: Simplify right side
   77,551.17x = 5,587,621,895.22
5. Step 5: Solve for x
   x = 5,587,621,895.22/77,551.17
6. Step 6: Final answer
   x = 72,050.77