Finding the Fourth Proportional to 367,061.05, 515,066.45 and 367,061.05

Step by Step Solution

1. Step 1: Write the proportion equation
   367,061.05 : 515,066.45 = 367,061.05 : x
2. Step 2: Convert to fraction form
   367,061.05/515,066.45 = 367,061.05/x
3. Step 3: Cross multiply
   367,061.05x = 515,066.45 × 367,061.05
4. Step 4: Simplify right side
   367,061.05x = 189,060,831,956.77
5. Step 5: Solve for x
   x = 189,060,831,956.77/367,061.05
6. Step 6: Final answer
   x = 515,066.45