Finding the Fourth Proportional to 72,505,089.83, 108,756,569.84 and 17,917,673.87

Step by Step Solution

1. Step 1: Write the proportion equation
   72,505,089.83 : 108,756,569.84 = 17,917,673.87 : x
2. Step 2: Convert to fraction form
   72,505,089.83/108,756,569.84 = 17,917,673.87/x
3. Step 3: Cross multiply
   72,505,089.83x = 108,756,569.84 × 17,917,673.87
4. Step 4: Simplify right side
   72,505,089.83x = 1,948,664,748,979,626.50
5. Step 5: Solve for x
   x = 1,948,664,748,979,626.50/72,505,089.83
6. Step 6: Final answer
   x = 26,876,247.64