Finding the Fourth Proportional to 98,923,650.53, 136,514,200.39 and 56,536,502.82

Step by Step Solution

1. Step 1: Write the proportion equation
   98,923,650.53 : 136,514,200.39 = 56,536,502.82 : x
2. Step 2: Convert to fraction form
   98,923,650.53/136,514,200.39 = 56,536,502.82/x
3. Step 3: Cross multiply
   98,923,650.53x = 136,514,200.39 × 56,536,502.82
4. Step 4: Simplify right side
   98,923,650.53x = 7,718,035,475,404,288
5. Step 5: Solve for x
   x = 7,718,035,475,404,288/98,923,650.53
6. Step 6: Final answer
   x = 78,020,123.95