Finding the Fourth Proportional to 21,438,168.66, 32,139,174.98 and 9,298,488.87

Step by Step Solution

1. Step 1: Write the proportion equation
   21,438,168.66 : 32,139,174.98 = 9,298,488.87 : x
2. Step 2: Convert to fraction form
   21,438,168.66/32,139,174.98 = 9,298,488.87/x
3. Step 3: Cross multiply
   21,438,168.66x = 32,139,174.98 × 9,298,488.87
4. Step 4: Simplify right side
   21,438,168.66x = 298,845,760,865,758.69
5. Step 5: Solve for x
   x = 298,845,760,865,758.69/21,438,168.66
6. Step 6: Final answer
   x = 13,939,892.24