Finding the Fourth Proportional to 111,477,608.81, 167,237,947.37 and 42,385,040.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,477,608.81 : 167,237,947.37 = 42,385,040.25 : x
2. Step 2: Convert to fraction form
   111,477,608.81/167,237,947.37 = 42,385,040.25/x
3. Step 3: Cross multiply
   111,477,608.81x = 167,237,947.37 × 42,385,040.25
4. Step 4: Simplify right side
   111,477,608.81x = 7,088,387,130,604,832
5. Step 5: Solve for x
   x = 7,088,387,130,604,832/111,477,608.81
6. Step 6: Final answer
   x = 63,585,747.90