Finding the Fourth Proportional to 101,638.42, 152,597.27 and 51,752.03

Step by Step Solution

1. Step 1: Write the proportion equation
   101,638.42 : 152,597.27 = 51,752.03 : x
2. Step 2: Convert to fraction form
   101,638.42/152,597.27 = 51,752.03/x
3. Step 3: Cross multiply
   101,638.42x = 152,597.27 × 51,752.03
4. Step 4: Simplify right side
   101,638.42x = 7,897,218,494.96
5. Step 5: Solve for x
   x = 7,897,218,494.96/101,638.42
6. Step 6: Final answer
   x = 77,699.15