Finding the Fourth Proportional to 1,536,113,898.72, 2,119,837,188.15 and 831,265,887.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536,113,898.72 : 2,119,837,188.15 = 831,265,887.42 : x
2. Step 2: Convert to fraction form
   1,536,113,898.72/2,119,837,188.15 = 831,265,887.42/x
3. Step 3: Cross multiply
   1,536,113,898.72x = 2,119,837,188.15 × 831,265,887.42
4. Step 4: Simplify right side
   1,536,113,898.72x = 1,762,148,341,393,427,200
5. Step 5: Solve for x
   x = 1,762,148,341,393,427,200/1,536,113,898.72
6. Step 6: Final answer
   x = 1,147,146,928.92