Finding the Fourth Proportional to 77,300,934.90, 115,965,399.15 and 38,865,722.10

Step by Step Solution

1. Step 1: Write the proportion equation
   77,300,934.90 : 115,965,399.15 = 38,865,722.10 : x
2. Step 2: Convert to fraction form
   77,300,934.90/115,965,399.15 = 38,865,722.10/x
3. Step 3: Cross multiply
   77,300,934.90x = 115,965,399.15 × 38,865,722.10
4. Step 4: Simplify right side
   77,300,934.90x = 4,507,078,976,579,477
5. Step 5: Solve for x
   x = 4,507,078,976,579,477/77,300,934.90
6. Step 6: Final answer
   x = 58,305,620.53