Finding the Fourth Proportional to 70,903, 97,845.72 and 38,637.55

Step by Step Solution

1. Step 1: Write the proportion equation
   70,903 : 97,845.72 = 38,637.55 : x
2. Step 2: Convert to fraction form
   70,903/97,845.72 = 38,637.55/x
3. Step 3: Cross multiply
   70,903x = 97,845.72 × 38,637.55
4. Step 4: Simplify right side
   70,903x = 3,780,518,898.79
5. Step 5: Solve for x
   x = 3,780,518,898.79/70,903
6. Step 6: Final answer
   x = 53,319.59