Finding the Fourth Proportional to 85,538.34, 128,312.76 and 32,947.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,538.34 : 128,312.76 = 32,947.98 : x
2. Step 2: Convert to fraction form
   85,538.34/128,312.76 = 32,947.98/x
3. Step 3: Cross multiply
   85,538.34x = 128,312.76 × 32,947.98
4. Step 4: Simplify right side
   85,538.34x = 4,227,646,250.22
5. Step 5: Solve for x
   x = 4,227,646,250.22/85,538.34
6. Step 6: Final answer
   x = 49,423.99