Finding the Fourth Proportional to 78,643.08, 108,526.56 and 42,832.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,643.08 : 108,526.56 = 42,832.98 : x
2. Step 2: Convert to fraction form
   78,643.08/108,526.56 = 42,832.98/x
3. Step 3: Cross multiply
   78,643.08x = 108,526.56 × 42,832.98
4. Step 4: Simplify right side
   78,643.08x = 4,648,515,973.95
5. Step 5: Solve for x
   x = 4,648,515,973.95/78,643.08
6. Step 6: Final answer
   x = 59,109.03