Finding the Fourth Proportional to 77,493,321.05, 106,940,788.89 and 42,686,011.49

Step by Step Solution

1. Step 1: Write the proportion equation
   77,493,321.05 : 106,940,788.89 = 42,686,011.49 : x
2. Step 2: Convert to fraction form
   77,493,321.05/106,940,788.89 = 42,686,011.49/x
3. Step 3: Cross multiply
   77,493,321.05x = 106,940,788.89 × 42,686,011.49
4. Step 4: Simplify right side
   77,493,321.05x = 4,564,875,743,308,205
5. Step 5: Solve for x
   x = 4,564,875,743,308,205/77,493,321.05
6. Step 6: Final answer
   x = 58,906,699.07