Finding the Fourth Proportional to 70,964, 97,931.04 and 42,670.16

Step by Step Solution

1. Step 1: Write the proportion equation
   70,964 : 97,931.04 = 42,670.16 : x
2. Step 2: Convert to fraction form
   70,964/97,931.04 = 42,670.16/x
3. Step 3: Cross multiply
   70,964x = 97,931.04 × 42,670.16
4. Step 4: Simplify right side
   70,964x = 4,178,733,145.77
5. Step 5: Solve for x
   x = 4,178,733,145.77/70,964
6. Step 6: Final answer
   x = 58,885.25