Finding the Fourth Proportional to 1,227,038,991.72, 1,840,596,279 and 536,590,844.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,038,991.72 : 1,840,596,279 = 536,590,844.52 : x
2. Step 2: Convert to fraction form
   1,227,038,991.72/1,840,596,279 = 536,590,844.52/x
3. Step 3: Cross multiply
   1,227,038,991.72x = 1,840,596,279 × 536,590,844.52
4. Step 4: Simplify right side
   1,227,038,991.72x = 987,647,111,768,979,456
5. Step 5: Solve for x
   x = 987,647,111,768,979,456/1,227,038,991.72
6. Step 6: Final answer
   x = 804,902,793.17