Finding the Fourth Proportional to 1,971.82, 2,953.86 and 930.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971.82 : 2,953.86 = 930.34 : x
2. Step 2: Convert to fraction form
   1,971.82/2,953.86 = 930.34/x
3. Step 3: Cross multiply
   1,971.82x = 2,953.86 × 930.34
4. Step 4: Simplify right side
   1,971.82x = 2,748,094.11
5. Step 5: Solve for x
   x = 2,748,094.11/1,971.82
6. Step 6: Final answer
   x = 1,393.68