Finding the Fourth Proportional to 42,584,734.70, 63,892,848.45 and 13,831,808.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,584,734.70 : 63,892,848.45 = 13,831,808.30 : x
2. Step 2: Convert to fraction form
   42,584,734.70/63,892,848.45 = 13,831,808.30/x
3. Step 3: Cross multiply
   42,584,734.70x = 63,892,848.45 × 13,831,808.30
4. Step 4: Simplify right side
   42,584,734.70x = 883,753,631,501,352.25
5. Step 5: Solve for x
   x = 883,753,631,501,352.25/42,584,734.70
6. Step 6: Final answer
   x = 20,752,826.99