Finding the Fourth Proportional to 21,064,437.72, 31,545,578.52 and 14,569,284.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,064,437.72 : 31,545,578.52 = 14,569,284.24 : x
2. Step 2: Convert to fraction form
   21,064,437.72/31,545,578.52 = 14,569,284.24/x
3. Step 3: Cross multiply
   21,064,437.72x = 31,545,578.52 × 14,569,284.24
4. Step 4: Simplify right side
   21,064,437.72x = 459,596,499,973,118.50
5. Step 5: Solve for x
   x = 459,596,499,973,118.50/21,064,437.72
6. Step 6: Final answer
   x = 21,818,598.06