Finding the Fourth Proportional to 14,720,061.25, 22,089,539.72 and 7,142,893.57

Step by Step Solution

1. Step 1: Write the proportion equation
   14,720,061.25 : 22,089,539.72 = 7,142,893.57 : x
2. Step 2: Convert to fraction form
   14,720,061.25/22,089,539.72 = 7,142,893.57/x
3. Step 3: Cross multiply
   14,720,061.25x = 22,089,539.72 × 7,142,893.57
4. Step 4: Simplify right side
   14,720,061.25x = 157,783,231,235,538
5. Step 5: Solve for x
   x = 157,783,231,235,538/14,720,061.25
6. Step 6: Final answer
   x = 10,718,924.91