Finding the Fourth Proportional to 52,069,557.06, 78,106,826.61 and 42,954,753.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,069,557.06 : 78,106,826.61 = 42,954,753.42 : x
2. Step 2: Convert to fraction form
   52,069,557.06/78,106,826.61 = 42,954,753.42/x
3. Step 3: Cross multiply
   52,069,557.06x = 78,106,826.61 × 42,954,753.42
4. Step 4: Simplify right side
   52,069,557.06x = 3,355,059,477,451,244.50
5. Step 5: Solve for x
   x = 3,355,059,477,451,244.50/52,069,557.06
6. Step 6: Final answer
   x = 64,434,185.10