Finding the Fourth Proportional to 25,580,910.98, 35,301,748.96 and 13,978,474.53

Step by Step Solution

1. Step 1: Write the proportion equation
   25,580,910.98 : 35,301,748.96 = 13,978,474.53 : x
2. Step 2: Convert to fraction form
   25,580,910.98/35,301,748.96 = 13,978,474.53/x
3. Step 3: Cross multiply
   25,580,910.98x = 35,301,748.96 × 13,978,474.53
4. Step 4: Simplify right side
   25,580,910.98x = 493,464,598,586,905.50
5. Step 5: Solve for x
   x = 493,464,598,586,905.50/25,580,910.98
6. Step 6: Final answer
   x = 19,290,345.01