Finding the Fourth Proportional to 119,038.42, 164,280.30 and 78,682.22

Step by Step Solution

1. Step 1: Write the proportion equation
   119,038.42 : 164,280.30 = 78,682.22 : x
2. Step 2: Convert to fraction form
   119,038.42/164,280.30 = 78,682.22/x
3. Step 3: Cross multiply
   119,038.42x = 164,280.30 × 78,682.22
4. Step 4: Simplify right side
   119,038.42x = 12,925,938,706.27
5. Step 5: Solve for x
   x = 12,925,938,706.27/119,038.42
6. Step 6: Final answer
   x = 108,586.28