Finding the Fourth Proportional to 60,138,168.66, 82,947,792.83 and 55,192,545.18

Step by Step Solution

1. Step 1: Write the proportion equation
   60,138,168.66 : 82,947,792.83 = 55,192,545.18 : x
2. Step 2: Convert to fraction form
   60,138,168.66/82,947,792.83 = 55,192,545.18/x
3. Step 3: Cross multiply
   60,138,168.66x = 82,947,792.83 × 55,192,545.18
4. Step 4: Simplify right side
   60,138,168.66x = 4,578,099,803,075,092
5. Step 5: Solve for x
   x = 4,578,099,803,075,092/60,138,168.66
6. Step 6: Final answer
   x = 76,126,358.77