Finding the Fourth Proportional to 9,989,657.83, 14,978,418.67 and 3,917,114.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,989,657.83 : 14,978,418.67 = 3,917,114.47 : x
2. Step 2: Convert to fraction form
   9,989,657.83/14,978,418.67 = 3,917,114.47/x
3. Step 3: Cross multiply
   9,989,657.83x = 14,978,418.67 × 3,917,114.47
4. Step 4: Simplify right side
   9,989,657.83x = 58,672,180,509,975.16
5. Step 5: Solve for x
   x = 58,672,180,509,975.16/9,989,657.83
6. Step 6: Final answer
   x = 5,873,292.31