Finding the Fourth Proportional to 34,261,130.07, 47,228,054.00 and 21,005,766.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,261,130.07 : 47,228,054.00 = 21,005,766.72 : x
2. Step 2: Convert to fraction form
   34,261,130.07/47,228,054.00 = 21,005,766.72/x
3. Step 3: Cross multiply
   34,261,130.07x = 47,228,054.00 × 21,005,766.72
4. Step 4: Simplify right side
   34,261,130.07x = 992,061,484,858,533.88
5. Step 5: Solve for x
   x = 992,061,484,858,533.88/34,261,130.07
6. Step 6: Final answer
   x = 28,955,889.16