Finding the Fourth Proportional to 1,147,791,830.18, 1,583,901,770.52 and 639,180,776.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,791,830.18 : 1,583,901,770.52 = 639,180,776.93 : x
2. Step 2: Convert to fraction form
   1,147,791,830.18/1,583,901,770.52 = 639,180,776.93/x
3. Step 3: Cross multiply
   1,147,791,830.18x = 1,583,901,770.52 × 639,180,776.93
4. Step 4: Simplify right side
   1,147,791,830.18x = 1,012,399,564,261,776,128
5. Step 5: Solve for x
   x = 1,012,399,564,261,776,128/1,147,791,830.18
6. Step 6: Final answer
   x = 882,041,096.34