Finding the Fourth Proportional to 23,181,345.14, 31,988,656.06 and 12,867,256.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,181,345.14 : 31,988,656.06 = 12,867,256.32 : x
2. Step 2: Convert to fraction form
   23,181,345.14/31,988,656.06 = 12,867,256.32/x
3. Step 3: Cross multiply
   23,181,345.14x = 31,988,656.06 × 12,867,256.32
4. Step 4: Simplify right side
   23,181,345.14x = 411,606,236,856,341.31
5. Step 5: Solve for x
   x = 411,606,236,856,341.31/23,181,345.14
6. Step 6: Final answer
   x = 17,755,925.48