Finding the Fourth Proportional to 18,956,061.12, 26,132,156.64 and 13,514,105.28

Step by Step Solution

1. Step 1: Write the proportion equation
   18,956,061.12 : 26,132,156.64 = 13,514,105.28 : x
2. Step 2: Convert to fraction form
   18,956,061.12/26,132,156.64 = 13,514,105.28/x
3. Step 3: Cross multiply
   18,956,061.12x = 26,132,156.64 × 13,514,105.28
4. Step 4: Simplify right side
   18,956,061.12x = 353,152,716,026,411.06
5. Step 5: Solve for x
   x = 353,152,716,026,411.06/18,956,061.12
6. Step 6: Final answer
   x = 18,630,068.44