Finding the Fourth Proportional to 77,478,936.24, 106,925,767.71 and 42,671,617.86

Step by Step Solution

1. Step 1: Write the proportion equation
   77,478,936.24 : 106,925,767.71 = 42,671,617.86 : x
2. Step 2: Convert to fraction form
   77,478,936.24/106,925,767.71 = 42,671,617.86/x
3. Step 3: Cross multiply
   77,478,936.24x = 106,925,767.71 × 42,671,617.86
4. Step 4: Simplify right side
   77,478,936.24x = 4,562,695,499,108,247
5. Step 5: Solve for x
   x = 4,562,695,499,108,247/77,478,936.24
6. Step 6: Final answer
   x = 58,889,495.91