Finding the Fourth Proportional to 12,272,061.31, 18,413,514.34 and 6,434,853.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,272,061.31 : 18,413,514.34 = 6,434,853.05 : x
2. Step 2: Convert to fraction form
   12,272,061.31/18,413,514.34 = 6,434,853.05/x
3. Step 3: Cross multiply
   12,272,061.31x = 18,413,514.34 × 6,434,853.05
4. Step 4: Simplify right side
   12,272,061.31x = 118,488,258,941,914.39
5. Step 5: Solve for x
   x = 118,488,258,941,914.39/12,272,061.31
6. Step 6: Final answer
   x = 9,655,122.80