Finding the Fourth Proportional to 42,402,271.73, 63,603,407.59 and 42,402,271.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,402,271.73 : 63,603,407.59 = 42,402,271.73 : x
2. Step 2: Convert to fraction form
   42,402,271.73/63,603,407.59 = 42,402,271.73/x
3. Step 3: Cross multiply
   42,402,271.73x = 63,603,407.59 × 42,402,271.73
4. Step 4: Simplify right side
   42,402,271.73x = 2,696,928,971,267,107.50
5. Step 5: Solve for x
   x = 2,696,928,971,267,107.50/42,402,271.73
6. Step 6: Final answer
   x = 63,603,407.59