Finding the Fourth Proportional to 13,078,068.84, 19,619,926.92 and 3,980,877.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,078,068.84 : 19,619,926.92 = 3,980,877.84 : x
2. Step 2: Convert to fraction form
   13,078,068.84/19,619,926.92 = 3,980,877.84/x
3. Step 3: Cross multiply
   13,078,068.84x = 19,619,926.92 × 3,980,877.84
4. Step 4: Simplify right side
   13,078,068.84x = 78,104,532,298,247.45
5. Step 5: Solve for x
   x = 78,104,532,298,247.45/13,078,068.84
6. Step 6: Final answer
   x = 5,972,176.26