Finding the Fourth Proportional to 25,586,128.94, 35,308,773.59 and 13,983,689.34

Step by Step Solution

1. Step 1: Write the proportion equation
   25,586,128.94 : 35,308,773.59 = 13,983,689.34 : x
2. Step 2: Convert to fraction form
   25,586,128.94/35,308,773.59 = 13,983,689.34/x
3. Step 3: Cross multiply
   25,586,128.94x = 35,308,773.59 × 13,983,689.34
4. Step 4: Simplify right side
   25,586,128.94x = 493,746,920,789,038.06
5. Step 5: Solve for x
   x = 493,746,920,789,038.06/25,586,128.94
6. Step 6: Final answer
   x = 19,297,445.19