Finding the Fourth Proportional to 1,530,624,832.50, 2,112,329,159.52 and 861,613,046.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530,624,832.50 : 2,112,329,159.52 = 861,613,046.94 : x
2. Step 2: Convert to fraction form
   1,530,624,832.50/2,112,329,159.52 = 861,613,046.94/x
3. Step 3: Cross multiply
   1,530,624,832.50x = 2,112,329,159.52 × 861,613,046.94
4. Step 4: Simplify right side
   1,530,624,832.50x = 1,820,010,363,274,236,672
5. Step 5: Solve for x
   x = 1,820,010,363,274,236,672/1,530,624,832.50
6. Step 6: Final answer
   x = 1,189,063,658.60