Finding the Fourth Proportional to 78,627.79, 108,510.90 and 59,211.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,627.79 : 108,510.90 = 59,211.94 : x
2. Step 2: Convert to fraction form
   78,627.79/108,510.90 = 59,211.94/x
3. Step 3: Cross multiply
   78,627.79x = 108,510.90 × 59,211.94
4. Step 4: Simplify right side
   78,627.79x = 6,425,140,900.15
5. Step 5: Solve for x
   x = 6,425,140,900.15/78,627.79
6. Step 6: Final answer
   x = 81,715.91