Finding the Fourth Proportional to 132,909.17, 199,402.34 and 42,949.98

Step by Step Solution

1. Step 1: Write the proportion equation
   132,909.17 : 199,402.34 = 42,949.98 : x
2. Step 2: Convert to fraction form
   132,909.17/199,402.34 = 42,949.98/x
3. Step 3: Cross multiply
   132,909.17x = 199,402.34 × 42,949.98
4. Step 4: Simplify right side
   132,909.17x = 8,564,326,300.20
5. Step 5: Solve for x
   x = 8,564,326,300.20/132,909.17
6. Step 6: Final answer
   x = 64,437.44