Finding the Fourth Proportional to 215,793,780, 297,822,690.91 and 141,516,830.22

Step by Step Solution

1. Step 1: Write the proportion equation
   215,793,780 : 297,822,690.91 = 141,516,830.22 : x
2. Step 2: Convert to fraction form
   215,793,780/297,822,690.91 = 141,516,830.22/x
3. Step 3: Cross multiply
   215,793,780x = 297,822,690.91 × 141,516,830.22
4. Step 4: Simplify right side
   215,793,780x = 42,146,923,185,174,008
5. Step 5: Solve for x
   x = 42,146,923,185,174,008/215,793,780
6. Step 6: Final answer
   x = 195,311,112.23