Finding the Fourth Proportional to 78,762.56, 108,692.82 and 42,953.13

Step by Step Solution

1. Step 1: Write the proportion equation
   78,762.56 : 108,692.82 = 42,953.13 : x
2. Step 2: Convert to fraction form
   78,762.56/108,692.82 = 42,953.13/x
3. Step 3: Cross multiply
   78,762.56x = 108,692.82 × 42,953.13
4. Step 4: Simplify right side
   78,762.56x = 4,668,696,827.53
5. Step 5: Solve for x
   x = 4,668,696,827.53/78,762.56
6. Step 6: Final answer
   x = 59,275.59