Finding the Fourth Proportional to 1,152,386,150.76, 1,590,292,965.78 and 630,865,382.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,386,150.76 : 1,590,292,965.78 = 630,865,382.76 : x
2. Step 2: Convert to fraction form
   1,152,386,150.76/1,590,292,965.78 = 630,865,382.76/x
3. Step 3: Cross multiply
   1,152,386,150.76x = 1,590,292,965.78 × 630,865,382.76
4. Step 4: Simplify right side
   1,152,386,150.76x = 1,003,260,780,557,335,296
5. Step 5: Solve for x
   x = 1,003,260,780,557,335,296/1,152,386,150.76
6. Step 6: Final answer
   x = 870,594,270.76