Finding the Fourth Proportional to 1,152,592,279.29, 1,590,577,858.59 and 623,956,248.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,592,279.29 : 1,590,577,858.59 = 623,956,248.27 : x
2. Step 2: Convert to fraction form
   1,152,592,279.29/1,590,577,858.59 = 623,956,248.27/x
3. Step 3: Cross multiply
   1,152,592,279.29x = 1,590,577,858.59 × 623,956,248.27
4. Step 4: Simplify right side
   1,152,592,279.29x = 992,450,993,227,146,880
5. Step 5: Solve for x
   x = 992,450,993,227,146,880/1,152,592,279.29
6. Step 6: Final answer
   x = 861,059,900.42