Finding the Fourth Proportional to 12,274,489.23, 18,390,898.71 and 7,406,567.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274,489.23 : 18,390,898.71 = 7,406,567.52 : x
2. Step 2: Convert to fraction form
   12,274,489.23/18,390,898.71 = 7,406,567.52/x
3. Step 3: Cross multiply
   12,274,489.23x = 18,390,898.71 × 7,406,567.52
4. Step 4: Simplify right side
   12,274,489.23x = 136,213,433,049,095.89
5. Step 5: Solve for x
   x = 136,213,433,049,095.89/12,274,489.23
6. Step 6: Final answer
   x = 11,097,279.12