Finding the Fourth Proportional to 61,920,104.71, 92,880,173.47 and 18,200,865.01

Step by Step Solution

1. Step 1: Write the proportion equation
   61,920,104.71 : 92,880,173.47 = 18,200,865.01 : x
2. Step 2: Convert to fraction form
   61,920,104.71/92,880,173.47 = 18,200,865.01/x
3. Step 3: Cross multiply
   61,920,104.71x = 92,880,173.47 × 18,200,865.01
4. Step 4: Simplify right side
   61,920,104.71x = 1,690,499,499,432,853.50
5. Step 5: Solve for x
   x = 1,690,499,499,432,853.50/61,920,104.71
6. Step 6: Final answer
   x = 27,301,302.34