Finding the Fourth Proportional to 78,705.02, 108,613.02 and 42,895.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78,705.02 : 108,613.02 = 42,895.07 : x
2. Step 2: Convert to fraction form
   78,705.02/108,613.02 = 42,895.07/x
3. Step 3: Cross multiply
   78,705.02x = 108,613.02 × 42,895.07
4. Step 4: Simplify right side
   78,705.02x = 4,658,963,095.81
5. Step 5: Solve for x
   x = 4,658,963,095.81/78,705.02
6. Step 6: Final answer
   x = 59,195.25