Finding the Fourth Proportional to 12,154,976.16, 16,779,031.92 and 7,573,561.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,154,976.16 : 16,779,031.92 = 7,573,561.08 : x
2. Step 2: Convert to fraction form
   12,154,976.16/16,779,031.92 = 7,573,561.08/x
3. Step 3: Cross multiply
   12,154,976.16x = 16,779,031.92 × 7,573,561.08
4. Step 4: Simplify right side
   12,154,976.16x = 127,077,023,109,389.69
5. Step 5: Solve for x
   x = 127,077,023,109,389.69/12,154,976.16
6. Step 6: Final answer
   x = 10,454,732.40