Finding the Fourth Proportional to 25,308,109.05, 34,925,016.56 and 13,705,407.02

Step by Step Solution

1. Step 1: Write the proportion equation
   25,308,109.05 : 34,925,016.56 = 13,705,407.02 : x
2. Step 2: Convert to fraction form
   25,308,109.05/34,925,016.56 = 13,705,407.02/x
3. Step 3: Cross multiply
   25,308,109.05x = 34,925,016.56 × 13,705,407.02
4. Step 4: Simplify right side
   25,308,109.05x = 478,661,566,960,415.25
5. Step 5: Solve for x
   x = 478,661,566,960,415.25/25,308,109.05
6. Step 6: Final answer
   x = 18,913,367.49