Finding the Fourth Proportional to 14,357,889.60, 19,813,887.78 and 7,831,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,357,889.60 : 19,813,887.78 = 7,831,518.72 : x
2. Step 2: Convert to fraction form
   14,357,889.60/19,813,887.78 = 7,831,518.72/x
3. Step 3: Cross multiply
   14,357,889.60x = 19,813,887.78 × 7,831,518.72
4. Step 4: Simplify right side
   14,357,889.60x = 155,172,833,065,049.25
5. Step 5: Solve for x
   x = 155,172,833,065,049.25/14,357,889.60
6. Step 6: Final answer
   x = 10,807,495.91