Finding the Fourth Proportional to 77,378,162.23, 106,781,860.27 and 42,570,105.33

Step by Step Solution

1. Step 1: Write the proportion equation
   77,378,162.23 : 106,781,860.27 = 42,570,105.33 : x
2. Step 2: Convert to fraction form
   77,378,162.23/106,781,860.27 = 42,570,105.33/x
3. Step 3: Cross multiply
   77,378,162.23x = 106,781,860.27 × 42,570,105.33
4. Step 4: Simplify right side
   77,378,162.23x = 4,545,715,039,480,887
5. Step 5: Solve for x
   x = 4,545,715,039,480,887/77,378,162.23
6. Step 6: Final answer
   x = 58,746,743.38