Finding the Fourth Proportional to 97,099.16, 145,667.12 and 37,931.09

Step by Step Solution

1. Step 1: Write the proportion equation
   97,099.16 : 145,667.12 = 37,931.09 : x
2. Step 2: Convert to fraction form
   97,099.16/145,667.12 = 37,931.09/x
3. Step 3: Cross multiply
   97,099.16x = 145,667.12 × 37,931.09
4. Step 4: Simplify right side
   97,099.16x = 5,525,312,638.76
5. Step 5: Solve for x
   x = 5,525,312,638.76/97,099.16
6. Step 6: Final answer
   x = 56,903.82