Finding the Fourth Proportional to 103,304, 142,559.52 and 56,200

Step by Step Solution

1. Step 1: Write the proportion equation
   103,304 : 142,559.52 = 56,200 : x
2. Step 2: Convert to fraction form
   103,304/142,559.52 = 56,200/x
3. Step 3: Cross multiply
   103,304x = 142,559.52 × 56,200
4. Step 4: Simplify right side
   103,304x = 8,011,845,024.00
5. Step 5: Solve for x
   x = 8,011,845,024.00/103,304
6. Step 6: Final answer
   x = 77,556.00