Finding the Fourth Proportional to 1,152,092,107.89, 1,589,887,068.21 and 623,456,088.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,092,107.89 : 1,589,887,068.21 = 623,456,088.48 : x
2. Step 2: Convert to fraction form
   1,152,092,107.89/1,589,887,068.21 = 623,456,088.48/x
3. Step 3: Cross multiply
   1,152,092,107.89x = 1,589,887,068.21 × 623,456,088.48
4. Step 4: Simplify right side
   1,152,092,107.89x = 991,224,772,671,141,632
5. Step 5: Solve for x
   x = 991,224,772,671,141,632/1,152,092,107.89
6. Step 6: Final answer
   x = 860,369,380.09