Finding the Fourth Proportional to 78,312.27, 108,071.01 and 42,502.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,312.27 : 108,071.01 = 42,502.29 : x
2. Step 2: Convert to fraction form
   78,312.27/108,071.01 = 42,502.29/x
3. Step 3: Cross multiply
   78,312.27x = 108,071.01 × 42,502.29
4. Step 4: Simplify right side
   78,312.27x = 4,593,265,407.61
5. Step 5: Solve for x
   x = 4,593,265,407.61/78,312.27
6. Step 6: Final answer
   x = 58,653.20