Finding the Fourth Proportional to 111,939,576.71, 167,869,211.73 and 42,871,798.49

Step by Step Solution

1. Step 1: Write the proportion equation
   111,939,576.71 : 167,869,211.73 = 42,871,798.49 : x
2. Step 2: Convert to fraction form
   111,939,576.71/167,869,211.73 = 42,871,798.49/x
3. Step 3: Cross multiply
   111,939,576.71x = 167,869,211.73 × 42,871,798.49
4. Step 4: Simplify right side
   111,939,576.71x = 7,196,855,017,124,358
5. Step 5: Solve for x
   x = 7,196,855,017,124,358/111,939,576.71
6. Step 6: Final answer
   x = 64,292,319.38