Finding the Fourth Proportional to 74,697,188, 103,167,150 and 50,208,386.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,697,188 : 103,167,150 = 50,208,386.72 : x
2. Step 2: Convert to fraction form
   74,697,188/103,167,150 = 50,208,386.72/x
3. Step 3: Cross multiply
   74,697,188x = 103,167,150 × 50,208,386.72
4. Step 4: Simplify right side
   74,697,188x = 5,179,856,164,000,248
5. Step 5: Solve for x
   x = 5,179,856,164,000,248/74,697,188
6. Step 6: Final answer
   x = 69,344,727.73