Finding the Fourth Proportional to 1,520,424,014.72, 2,098,185,140.76 and 825,062,990.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,424,014.72 : 2,098,185,140.76 = 825,062,990.72 : x
2. Step 2: Convert to fraction form
   1,520,424,014.72/2,098,185,140.76 = 825,062,990.72/x
3. Step 3: Cross multiply
   1,520,424,014.72x = 2,098,185,140.76 × 825,062,990.72
4. Step 4: Simplify right side
   1,520,424,014.72x = 1,731,134,907,319,709,952
5. Step 5: Solve for x
   x = 1,731,134,907,319,709,952/1,520,424,014.72
6. Step 6: Final answer
   x = 1,138,586,927.44