Finding the Fourth Proportional to 359,832,830.88, 496,588,488.39 and 201,066,807.72

Step by Step Solution

1. Step 1: Write the proportion equation
   359,832,830.88 : 496,588,488.39 = 201,066,807.72 : x
2. Step 2: Convert to fraction form
   359,832,830.88/496,588,488.39 = 201,066,807.72/x
3. Step 3: Cross multiply
   359,832,830.88x = 496,588,488.39 × 201,066,807.72
4. Step 4: Simplify right side
   359,832,830.88x = 99,847,462,111,077,584
5. Step 5: Solve for x
   x = 99,847,462,111,077,584/359,832,830.88
6. Step 6: Final answer
   x = 277,482,913.02