Finding the Fourth Proportional to 8,334,380.89, 11,499,188.59 and 5,721,684.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,334,380.89 : 11,499,188.59 = 5,721,684.08 : x
2. Step 2: Convert to fraction form
   8,334,380.89/11,499,188.59 = 5,721,684.08/x
3. Step 3: Cross multiply
   8,334,380.89x = 11,499,188.59 × 5,721,684.08
4. Step 4: Simplify right side
   8,334,380.89x = 65,794,724,237,976.81
5. Step 5: Solve for x
   x = 65,794,724,237,976.81/8,334,380.89
6. Step 6: Final answer
   x = 7,894,374.53