Finding the Fourth Proportional to 42,126,101.90, 59,056,168.90 and 42,126,101.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,126,101.90 : 59,056,168.90 = 42,126,101.90 : x
2. Step 2: Convert to fraction form
   42,126,101.90/59,056,168.90 = 42,126,101.90/x
3. Step 3: Cross multiply
   42,126,101.90x = 59,056,168.90 × 42,126,101.90
4. Step 4: Simplify right side
   42,126,101.90x = 2,487,806,188,905,011
5. Step 5: Solve for x
   x = 2,487,806,188,905,011/42,126,101.90
6. Step 6: Final answer
   x = 59,056,168.90