Finding the Fourth Proportional to 111,578,706.55, 167,369,729.46 and 42,495,325.45

Step by Step Solution

1. Step 1: Write the proportion equation
   111,578,706.55 : 167,369,729.46 = 42,495,325.45 : x
2. Step 2: Convert to fraction form
   111,578,706.55/167,369,729.46 = 42,495,325.45/x
3. Step 3: Cross multiply
   111,578,706.55x = 167,369,729.46 × 42,495,325.45
4. Step 4: Simplify right side
   111,578,706.55x = 7,112,431,123,303,371
5. Step 5: Solve for x
   x = 7,112,431,123,303,371/111,578,706.55
6. Step 6: Final answer
   x = 63,743,624.06