Finding the Fourth Proportional to 45,199.32, 67,710.72 and 21,473.10

Step by Step Solution

1. Step 1: Write the proportion equation
   45,199.32 : 67,710.72 = 21,473.10 : x
2. Step 2: Convert to fraction form
   45,199.32/67,710.72 = 21,473.10/x
3. Step 3: Cross multiply
   45,199.32x = 67,710.72 × 21,473.10
4. Step 4: Simplify right side
   45,199.32x = 1,453,959,061.63
5. Step 5: Solve for x
   x = 1,453,959,061.63/45,199.32
6. Step 6: Final answer
   x = 32,167.72