Finding the Fourth Proportional to 12,093,056.36, 18,139,471.71 and 4,902,881.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093,056.36 : 18,139,471.71 = 4,902,881.06 : x
2. Step 2: Convert to fraction form
   12,093,056.36/18,139,471.71 = 4,902,881.06/x
3. Step 3: Cross multiply
   12,093,056.36x = 18,139,471.71 × 4,902,881.06
4. Step 4: Simplify right side
   12,093,056.36x = 88,935,672,194,667.45
5. Step 5: Solve for x
   x = 88,935,672,194,667.45/12,093,056.36
6. Step 6: Final answer
   x = 7,354,275.84