Finding the Fourth Proportional to 7,527,109.61, 10,387,355.86 and 4,089,378.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,527,109.61 : 10,387,355.86 = 4,089,378.89 : x
2. Step 2: Convert to fraction form
   7,527,109.61/10,387,355.86 = 4,089,378.89/x
3. Step 3: Cross multiply
   7,527,109.61x = 10,387,355.86 × 4,089,378.89
4. Step 4: Simplify right side
   7,527,109.61x = 42,477,833,807,881.91
5. Step 5: Solve for x
   x = 42,477,833,807,881.91/7,527,109.61
6. Step 6: Final answer
   x = 5,643,312.77