Finding the Fourth Proportional to 12,791,060.38, 19,196,540.06 and 8,927,785.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,791,060.38 : 19,196,540.06 = 8,927,785.34 : x
2. Step 2: Convert to fraction form
   12,791,060.38/19,196,540.06 = 8,927,785.34/x
3. Step 3: Cross multiply
   12,791,060.38x = 19,196,540.06 × 8,927,785.34
4. Step 4: Simplify right side
   12,791,060.38x = 171,382,588,926,390.72
5. Step 5: Solve for x
   x = 171,382,588,926,390.72/12,791,060.38
6. Step 6: Final answer
   x = 13,398,622.46