Finding the Fourth Proportional to 21,473,287.50, 32,326,728.69 and 19,566,485.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,473,287.50 : 32,326,728.69 = 19,566,485.94 : x
2. Step 2: Convert to fraction form
   21,473,287.50/32,326,728.69 = 19,566,485.94/x
3. Step 3: Cross multiply
   21,473,287.50x = 32,326,728.69 × 19,566,485.94
4. Step 4: Simplify right side
   21,473,287.50x = 632,520,482,399,079.75
5. Step 5: Solve for x
   x = 632,520,482,399,079.75/21,473,287.50
6. Step 6: Final answer
   x = 29,456,154.88