Finding the Fourth Proportional to 42,050,520.90, 63,063,971.55 and 13,305,467.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,050,520.90 : 63,063,971.55 = 13,305,467.70 : x
2. Step 2: Convert to fraction form
   42,050,520.90/63,063,971.55 = 13,305,467.70/x
3. Step 3: Cross multiply
   42,050,520.90x = 63,063,971.55 × 13,305,467.70
4. Step 4: Simplify right side
   42,050,520.90x = 839,095,636,492,243.88
5. Step 5: Solve for x
   x = 839,095,636,492,243.88/42,050,520.90
6. Step 6: Final answer
   x = 19,954,464.74