Finding the Fourth Proportional to 77,443,402.42, 106,867,838.10 and 42,629,293

Step by Step Solution

1. Step 1: Write the proportion equation
   77,443,402.42 : 106,867,838.10 = 42,629,293 : x
2. Step 2: Convert to fraction form
   77,443,402.42/106,867,838.10 = 42,629,293/x
3. Step 3: Cross multiply
   77,443,402.42x = 106,867,838.10 × 42,629,293
4. Step 4: Simplify right side
   77,443,402.42x = 4,555,700,382,641,463
5. Step 5: Solve for x
   x = 4,555,700,382,641,463/77,443,402.42
6. Step 6: Final answer
   x = 58,826,191.00