Finding the Fourth Proportional to 281,804,824.66, 388,893,810.82 and 156,359,291.98

Step by Step Solution

1. Step 1: Write the proportion equation
   281,804,824.66 : 388,893,810.82 = 156,359,291.98 : x
2. Step 2: Convert to fraction form
   281,804,824.66/388,893,810.82 = 156,359,291.98/x
3. Step 3: Cross multiply
   281,804,824.66x = 388,893,810.82 × 156,359,291.98
4. Step 4: Simplify right side
   281,804,824.66x = 60,807,160,915,219,256
5. Step 5: Solve for x
   x = 60,807,160,915,219,256/281,804,824.66
6. Step 6: Final answer
   x = 215,777,572.26