Finding the Fourth Proportional to 28,532.59, 42,769.72 and 9,807.01

Step by Step Solution

1. Step 1: Write the proportion equation
   28,532.59 : 42,769.72 = 9,807.01 : x
2. Step 2: Convert to fraction form
   28,532.59/42,769.72 = 9,807.01/x
3. Step 3: Cross multiply
   28,532.59x = 42,769.72 × 9,807.01
4. Step 4: Simplify right side
   28,532.59x = 419,443,071.74
5. Step 5: Solve for x
   x = 419,443,071.74/28,532.59
6. Step 6: Final answer
   x = 14,700.49