Finding the Fourth Proportional to 21,665,562.89, 29,881,042.56 and 19,046,467.17

Step by Step Solution

1. Step 1: Write the proportion equation
   21,665,562.89 : 29,881,042.56 = 19,046,467.17 : x
2. Step 2: Convert to fraction form
   21,665,562.89/29,881,042.56 = 19,046,467.17/x
3. Step 3: Cross multiply
   21,665,562.89x = 29,881,042.56 × 19,046,467.17
4. Step 4: Simplify right side
   21,665,562.89x = 569,128,296,124,412.75
5. Step 5: Solve for x
   x = 569,128,296,124,412.75/21,665,562.89
6. Step 6: Final answer
   x = 26,268,798.05