Finding the Fourth Proportional to 1,152,062,748.96, 1,589,850,779.52 and 623,426,679.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,062,748.96 : 1,589,850,779.52 = 623,426,679.36 : x
2. Step 2: Convert to fraction form
   1,152,062,748.96/1,589,850,779.52 = 623,426,679.36/x
3. Step 3: Cross multiply
   1,152,062,748.96x = 1,589,850,779.52 × 623,426,679.36
4. Step 4: Simplify right side
   1,152,062,748.96x = 991,155,392,154,061,056
5. Step 5: Solve for x
   x = 991,155,392,154,061,056/1,152,062,748.96
6. Step 6: Final answer
   x = 860,331,082.70