Finding the Fourth Proportional to 25,581,027.21, 35,301,911.61 and 13,978,592.46

Step by Step Solution

1. Step 1: Write the proportion equation
   25,581,027.21 : 35,301,911.61 = 13,978,592.46 : x
2. Step 2: Convert to fraction form
   25,581,027.21/35,301,911.61 = 13,978,592.46/x
3. Step 3: Cross multiply
   25,581,027.21x = 35,301,911.61 × 13,978,592.46
4. Step 4: Simplify right side
   25,581,027.21x = 493,471,035,455,132.50
5. Step 5: Solve for x
   x = 493,471,035,455,132.50/25,581,027.21
6. Step 6: Final answer
   x = 19,290,508.99